The Seadog Gas Filled Lift Springs have a special multi-lobe seal that provides lasting service life. They have a chrome and powder coated steel and bronze construction with polymers and nitrogen gas.
This kit is designed to allow venting of pressure build up inside the Sea Pump housing that could create premature failure to be released through the existing fuel pump vent system.
Note will work with all sea pumps listed below that the front housing has been tapped for 1/8 NPT: